{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003933},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002837","490:4900003250","490:4900003802","490:4900003387","490:4900003664","490:4900003264","490:4900003531","490:4900003804","490:4900003383","490:4900002835","490:4900003659","490:4900003656","490:4900004492","490:4900003382","490:4900003393","490:4900003526","490:4900001505","490:4900002676","490:4900002228","490:4900004222","490:4900004353","490:4900002093","490:4900002988","490:4900001118","490:4900004351"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4510315086608821,0.36632005318775956,0.3172399109038834,0.2027769788470075,0.1656403594277457,0.15855646243171928,0.12384896831543597,0.10762664653033582,0.10435601401151248,0.10352443759795982,0.08504879765077021,0.08261468768298987,0.07852686540283389,0.07134556166838732,0.07019709715954844,0.0561551370936117,0.05445839763253341,0.040266293528589285,0.04020147046246763,0.03914484750432215,0.03795564742810897,0.03755402173615667,0.033540901464863944,0.03092581880664632,0.030495282960638425],"twin_dists":[0.16389090783506396,0.18405995122702476,0.19680137582185106,0.23201040501836362,0.24627821684393708,0.24925377608598373,0.2654459433949622,0.27422203866230993,0.2761137106587798,0.2766020218579104,0.2883406725171773,0.29003434867753136,0.29297073363586273,0.2984412937023042,0.299357076996362,0.31167913151658094,0.3133351253503086,0.3291871500080393,0.3292696944996152,0.3306312891789238,0.33220142042862855,0.3327411131793453,0.33842159734050836,0.3424435302202031,0.34313337333204136],"n_dims_used":45,"mean_confidence":0.9172125074598524},"coverage":{"mean_confidence":0.9172125074598524,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}